Ferrisburgh, Vermont has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 36.7 °F (low) to 56.5 °F (high). Annual precipitation averages 35.4 Inches. Ferrisburgh is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 11.1 °F | 29.2 °F | 2.35 in. |
| February | 12.4 °F | 31.6 °F | 1.77 in. |
| March | 22.0 °F | 40.4 °F | 2.24 in. |
| April | 33.8 °F | 55.1 °F | 2.76 in. |
| May | 45.9 °F | 68.1 °F | 3.14 in. |
| June | 55.5 °F | 76.8 °F | 3.8 in. |
| July | 60.7 °F | 82.2 °F | 4.03 in. |
| August | 59.1 °F | 80.6 °F | 3.51 in. |
| September | 50.8 °F | 73.0 °F | 2.99 in. |
| October | 39.6 °F | 59.0 °F | 3.39 in. |
| November | 30.3 °F | 46.6 °F | 2.73 in. |
| December | 19.3 °F | 34.9 °F | 2.69 in. |
| Annual | 36.7 °F | 56.5 °F | 35.4 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |